筛选
科学数据
统计数据
共检索到132条 ,权限内显示50条;
Data from: Integrated population modeling provides the first empirical estimates of vital rates and abundance for polar bears in the Chukchi Sea
- 负责人：
- DOI：
- doi:10.5061/dryad.692jb15
- 摘要：
- -recapture, radiotelemetry, and count data for the Chukchi Sea subpopulation of polar bears (Ursus maritimus), 2008–2016. Our model addressed several challenges in capture
Data from: Sex-specific, inverted rhythms of breeding-site attendance in an Arctic seabird
- 负责人：
- DOI：
- doi:10.5061/dryad.764h1
- 摘要：
- In contrast to daily rhythms that are common in the presence of the geophysical light–dark cycle, organisms at polar latitudes exhibit ma
Data from: Assessing polar bear (Ursus maritimus) population structure in the Hudson Bay region using SNPs
- 负责人：
- Viengkone, Michelle
- 关键词：
- DOI：
- doi:10.5061/dryad.1719f
- 摘要：
- r, single-nucleotide polymorphisms (SNPs) have emerged as a tool for detection of fine-scale structure. In Hudson Bay, Canada, three polar bear (Ursus maritimus) subpopulations (Foxe
Data from: Population structure of mycobionts and photobionts of the widespread lichen Cetraria aculeata
- 负责人：
- DOI：
- doi:10.5061/dryad.8531
- 摘要：
- explained by differentiation between temperate and polar regions and that of the mycobiont by an interaction of climatic and geographical factors
Data from: Brown and polar bear Y chromosomes reveal extensive male-biased gene flow within brother lineages
- 负责人：
- 关键词：
- microsatellites;STR;Ursus arctos;Y chromosome;Ursus americanus;bear;Ursus maritimus;phylogeography
- DOI：
- doi:10.5061/dryad.3p21q
- 摘要：
- Brown and polar bears have become prominent examples in phylogeography, but previous phylogeographic studies relied largely on maternally inherited
Fire safety at Griffith Park Zoo, 1961
- 负责人：
- 关键词：
- DOI：
- doi:10.25549/examiner-m23338
- 摘要：
- 6 images. Fire safety at Griffith Park Zoo, 23 June 1961. Van Yrineo (animal keeper hoses down polar bear); John Haynes (hoses down elephant shack
Data from: Freezer on, lights off! Environmental effects on activity rhythms of fish in the Arctic
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.6k294
- 摘要：
- Polar regions are characterized by acute seasonal changes in the environment, with organisms inhabiting these regions lacking diel photoperiodic inf
Data from: Collective cell migration without proliferation: density determines cell velocity and wave velocity
- 负责人：
- DOI：
- doi:10.5061/dryad.sk512
- 摘要：
- . Our model combines conservation laws, monolayer mechanical properties and a phenomenological coupling between strain and polarity: advancing cells pull
Data from: Range contraction and increasing isolation of a polar bear subpopulation in an era of sea-ice loss
- 负责人：
- Laidre, Kristin
- 关键词：
- polar bear genetics
- DOI：
- doi:10.5061/dryad.74v52
- 摘要：
- , and interpopulation connectivity of the Baffin Bay (BB) polar bear (Ursus maritimus) subpopulation over a 25-year period of sea-ice loss. Satellite telemetry collected
Data from: Evidence of concurrent local adaptation and high phenotypic plasticity in a polar microeukaryote
- 负责人：
- DOI：
- doi:10.5061/dryad.07b2d
- 摘要：
- ted and cultured from three different environments: the polar seas, a hyposaline and a hypersaline Antarctic lake. Local adaptation was tested by compar
